Hermiston Generating Project is a natural gas-fueled electric generating facility comprised of a combustion turbine and combined-cycle electric power plant with a generating capacity of 474 megawatts.

Operating. On
March 7, 2018, the Department of Energy received an Amendment Determination
Request (OAR 345-027-0057) regarding a proposed change to a transmission line
that is considered a related and supporting facility to the energy facility.